these 3 derivations will be built:
  /nix/store/ki5vx6szvpqr9ymsh0ckah06fhn0kk64-home-manager-path.drv
  /nix/store/d823jfn5jppcyix3acx25c6rk0vrwd1l-activation-script.drv
  /nix/store/jzph6sivf9ardpwb82bbgsxnpi8fxryw-home-manager-generation.drv